kaddlocalhostsrv

#!/bin/bash
[ -e /etc/krb5.d/kutils.conf ] && source /etc/krb5.d/kutils.conf

function usage {
	echo "Usage: `basename $0` -s <service> [-k <keytab:/etc/krb5.keytab>] [-R <REALM>] [-p <policy>]"
}

required=1
required_provided=0

hostname=$(hostname)
keytab="/etc/krb5.keytab"

while getopts "s:k:R:p:h" option;
do
        case ${option} in
        s) #Required: Service identifier
                service=${OPTARG}
                required_provided=$(($required_provided+1));
        ;;
        k) #Optional: Alternative keytab file
                keytab=${OPTARG}
        ;;
        R) #Optional: Defined Realm
                realm=`echo ${OPTARG} | tr a-z A-Z`
        ;;
	p) #Optional: User defined policy
		policy=${OPTARG}
	;;
	h)
		usage;
		exit 0;
	;;
        *)
                usage;
                exit 1;
        esac;
done

if [ ${required_provided} -lt ${required} ]; then
        usage;
        exit 1;
fi;

serviceLC=`echo ${service} | tr A-Z a-z`
serviceUC=`echo ${service} | tr a-z A-Z`
fqdnLC=`echo ${hostname} | tr A-Z a-z`
fqdnUC=`echo ${hostname} | tr a-z A-Z`
hostnameLC=`echo ${hostname} | awk -F. '{print $1}' | tr A-Z a-z`
hostnameUC=`echo ${hostnameLC} | tr a-z A-Z`

for s in "${serviceLC}" "${serviceUC}";
do
	for p in "${fqdnLC}" "${fqdnUC}" "${hostnameLC}" "${hostnameUC}";
	do
		princ="${s}/${p}"
		[ -n "${realm}" ] && princ="${princ}@${realm}";
		${appDir}/kaddaddprinc -u "${princ}" -o "-randkey -policy ${policy:-${defaultServicePolicy}}"
		${appDir}/kaddkeytab -u "${princ}" -k ${keytab}
	done
done